CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A traveler covers 130 km at 35 km/h and then 60 km at 45 km/h. What is the average speed for the whole journey?
A. 37.64 km/h
B. 45.00 km/h
C. 40.00 km/h
D. 35.00 km/h
Correct Answer: A
Average speed = total distance ÷ total time = 190 ÷ (130/35+60/45) = 37.64 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Convert 72 km/h into metres per second.
A. 25 m/s
B. 20 m/s
C. 18 m/s
D. 259.2 m/s
Correct Answer: B
Multiply km/h by 5/18: 72×5/18 = 20 m/s.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two vehicles travel in the same direction at 60 km/h and 60 km/h. What is their relative speed?
A. 120 km/h
B. 0 km/h
C. 60 km/h
D. 0 km/h-1
Correct Answer: B
For the same direction, relative speed = |60−60| = 0 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two vehicles move in opposite directions at 50 km/h and 55 km/h. What is their relative speed?
A. 50 km/h
B. 55 km/h
C. 5 km/h
D. 105 km/h
Correct Answer: D
For opposite directions, relative speed = 50+55 = 105 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A journey of 380 km is completed in 3 hours. What is the average speed?
A. 126.67 km/h
B. 95 km/h
C. 383 km/h
D. 136.67 km/h
Correct Answer: A
Speed = distance ÷ time = 380÷3 = 126.67 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A vehicle travels at 90 km/h for 7 hours. What distance does it cover?
A. 630 km
B. 720 km
C. 97 km
D. 623 km
Correct Answer: A
Distance = speed × time = 90×7 = 630 km.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A traveler covers 70 km at 45 km/h and then 100 km at 55 km/h. What is the average speed for the whole journey?
A. 50.00 km/h
B. 50.39 km/h
C. 55.00 km/h
D. 45.00 km/h
Correct Answer: B
Average speed = total distance ÷ total time = 170 ÷ (70/45+100/55) = 50.39 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Convert 90 km/h into metres per second.
A. 30 m/s
B. 324 m/s
C. 23 m/s
D. 25 m/s
Correct Answer: D
Multiply km/h by 5/18: 90×5/18 = 25 m/s.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two vehicles travel in the same direction at 85 km/h and 30 km/h. What is their relative speed?
A. 85 km/h
B. 30 km/h
C. 55 km/h
D. 115 km/h
Correct Answer: C
For the same direction, relative speed = |85−30| = 55 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two vehicles move in opposite directions at 70 km/h and 25 km/h. What is their relative speed?
A. 25 km/h
B. 70 km/h
C. 45 km/h
D. 95 km/h
Correct Answer: D
For opposite directions, relative speed = 70+25 = 95 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A journey of 260 km is completed in 3 hours. What is the average speed?
A. 96.67 km/h
B. 86.67 km/h
C. 263 km/h
D. 65 km/h
Correct Answer: B
Speed = distance ÷ time = 260÷3 = 86.67 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A vehicle travels at 60 km/h for 8 hours. What distance does it cover?
A. 68 km
B. 540 km
C. 472 km
D. 480 km
Correct Answer: D
Distance = speed × time = 60×8 = 480 km.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A traveler covers 110 km at 55 km/h and then 140 km at 65 km/h. What is the average speed for the whole journey?
A. 55.00 km/h
B. 65.00 km/h
C. 60.00 km/h
D. 60.19 km/h
Correct Answer: D
Average speed = total distance ÷ total time = 250 ÷ (110/55+140/65) = 60.19 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Convert 108 km/h into metres per second.
A. 28 m/s
B. 30 m/s
C. 388.8 m/s
D. 35 m/s
Correct Answer: B
Multiply km/h by 5/18: 108×5/18 = 30 m/s.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two vehicles travel in the same direction at 55 km/h and 40 km/h. What is their relative speed?
A. 40 km/h
B. 55 km/h
C. 95 km/h
D. 15 km/h
Correct Answer: D
For the same direction, relative speed = |55−40| = 15 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two vehicles move in opposite directions at 40 km/h and 45 km/h. What is their relative speed?
A. 40 km/h
B. 85 km/h
C. 5 km/h
D. 45 km/h
Correct Answer: B
For opposite directions, relative speed = 40+45 = 85 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A journey of 140 km is completed in 3 hours. What is the average speed?
A. 35 km/h
B. 143 km/h
C. 46.67 km/h
D. 56.67 km/h
Correct Answer: C
Speed = distance ÷ time = 140÷3 = 46.67 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A vehicle travels at 30 km/h for 2 hours. What distance does it cover?
A. 58 km
B. 32 km
C. 60 km
D. 90 km
Correct Answer: C
Distance = speed × time = 30×2 = 60 km.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
If a train travels 60 km in 1 hour, its speed is:
A. 30 km/h
B. 60 km/h
C. 90 km/h
D. 120 km/h
Correct Answer: B
B: Correct because speed equals distance divided by time, so 60/1 = 60 km/h. A: Wrong because 30 km/h would take 2 hours. C: Wrong because 90 km/h is too high. D: Wrong because 120 km/h is double the speed.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A car travels 120 km in 3 hours. Its average speed is:
A. 30 km/h
B. 40 km/h
C. 60 km/h
D. 90 km/h
Correct Answer: B
A: Wrong because 30×3 = 90 km. B: Correct because speed = distance/time = 120/3 = 40 km/h. C: Wrong because 60×3 = 180 km. D: Wrong because 90×3 = 270 km.